package com.xu.security.utils;

import com.xu.security.model.CurrentUser;
import com.xu.security.model.OnlineUser;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * @Description: security工具类
 * @Author: 许乾伟
 * @Date: 2023/8/14 14:55
 */
public class SecurityUtils {
    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword     真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 获取当前登录用户信息
     * @return
     */
    public static OnlineUser getLoginUser() {
        try {
            return (OnlineUser) getAuthentication().getPrincipal();
        } catch (Exception e) {
            throw new RuntimeException("获取用户信息异常");
        }
    }

    /**
     * 返回当前用户信息
     * @return
     */
    public static CurrentUser getCurrentUser(){
        return getLoginUser().getUser();
    }

    /**
     * 获取当前用户
     * @return
     */
    public static Long getUserId(){
        return getCurrentUser().getUserId();
    }
}
